Lupus Nephritis Panel (LNP)

Collect

C3NEF - Serum from a plain red top is the only acceptable sample type. Gel barrier tubes are not acceptable.

CIC – Plasma from a lavender top (EDTA) tube is the only acceptable sample type. Mix sample thoroughly.

C1QAB – Serum from a plain red top is the only acceptable sample type. Gel barrier tubes are not acceptable.

Specimen Preparation

C3NEF - Allow blood to clot at room temp or 37°C for 20 to 60 minutes. Centrifuge to thoroughly remove cells and immediately transfer cell-free serum to a fresh tube and freeze the cell-free serum on dry ice or at -70°C.

Preferred volume: 1 mL serum, frozen

CIC – Centrifuge at room temp within one half hour of collection; preferably immediately after venipuncture. Transfer the cell-free plasma to a clean tube and immediately freeze the cell-free plasma on dry ice or at -70°C.

Preferred volume: 1 mL plasma, frozen

C1QAB – Allow blood to clot at room temp or 37°C for 20 to 60 minutes. Centrifuge to thoroughly remove cells and immediately transfer cell-free serum to a fresh tube and freeze the cell-free serum on dry ice or at -70°C.